FNUS75 KBOU 011830 FWSBOU SPOT FORECAST FOR PELLA POND ZWECK-TURNER...BOULDER COUNTY NATIONAL WEATHER SERVICE DENVER CO 1130 AM MST WED FEB 1 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WINTER STORM WILL BE APPROACHING ON THURSDAY WITH LOWERING CLOUDS AND NORTHEAST WINDS DEVELOPING DURING THE DAY. SNOW IS EXPECTED TO START VERY LATE IN THE AFTERNOON OR IN THE EARLY EVENING...THOUGH THERE IS A SLIGHT CHANCE OF LIGHT SNOW DURING THE AFTERNOON HOURS. HEAVY SNOW IS POSSIBLE THURSDAY NIGHT INTO FRIDAY. WITH THE CLOUD COVER AND A COOL NORTHEAST WIND...MIXING DEPTH AND SMOKE DISPERSAL WILL BE LIMITED. MARGINALLY FAIR DISPERSAL IS EXPECTED IN THE AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. MIN TEMPERATURE.....25-30. MAX HUMIDITY........60-70%. 20-FOOT WINDS.......NORTHWEST WINDS 5-6 MPH. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW AFTER 1400. MAX TEMPERATURE.....42-46. MIN HUMIDITY........32-37%. 20-FOOT WINDS.......WEST WINDS 4-7 MPH UNTIL 0900...THEN NORTH 4-10 MPH UNTIL 1200...THEN NORTHEAST 5-13 MPH. TRANSPORT WINDS.....NORTHWEST 4-8 MPH UNTIL 1200...THEN NORTH 12-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN RISING TO 4000 FT AGL BY 1400. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR. HAINES INDEX........4 LOW. FIRE WEATHER TABLE FOR PELLA POND ZWECK-TURNER . +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT RH 20FT G H L 10K MIXG TRAN VENTL AJTV VALID AT % % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 02/01-11 62 0 0 42 22 S 5 5 4 1 NW20 3236 W 5 12105 P 02/01-12 62 0 0 46 19 S 6 6 4 1 NW17 3944 SW 6 22542 P 02/01-13 71 0 0 50 16 S 7 7 4 1 W17 4652 SW 8 32980 P 02/01-14 71 0 0 50 16 SW 8 8 4 1 W16 5360 SW 9 43418 F 02/01-15 72 0 0 50 17 S 7 7 4 1 W18 4702 SW10 39781 P 02/01-16 72 0 0 49 18 E 3 3 3 1 W21 4044 SW10 36144 P 02/01-17 59 0 0 43 24 NE 2 2 3 1 W23 3387 SW12 32508 P 02/01-18 59 0 0 37 32 NE 3 3 3 1 W26 2371 SW 9 22232 P 02/01-19 59 0 0 36 36 NW 5 5 4 1 W29 1356 W 7 11956 P 02/01-20 59 0 0 35 39 W 6 6 4 1 W30 341 W 6 1681 P 02/01-21 59 0 0 32 45 W 6 6 4 1 W30 288 W 6 1372 P 02/01-22 59 0 0 31 47 W 5 5 4 1 W29 236 W 5 1064 P 02/01-23 69 0 0 30 51 W 5 5 4 1 W26 184 W 5 756 P 02/02-00 69 0 0 31 50 W 5 5 4 1 W24 186 W 5 817 P 02/02-01 69 0 0 30 52 W 6 6 3 1 W21 188 NW 6 878 P 02/02-02 69 0 0 29 53 NW 6 6 3 1 W18 190 NW 6 938 P 02/02-03 69 0 0 30 52 NW 6 6 3 1 SW14 198 NW 6 955 P 02/02-04 69 0 0 30 51 NW 6 6 4 1 SW10 207 NW 6 971 P 02/02-05 72 0 0 30 51 NW 6 6 4 1 SW 8 215 NW 6 987 P 02/02-06 72 0 0 28 58 NW 6 6 4 1 S 9 197 NW 5 827 P 02/02-07 72 0 0 26 66 W 5 5 3 1 S 9 179 NW 5 668 P 02/02-08 72 0 0 27 64 W 5 5 3 1 SE 9 161 NW 3 509 P 02/02-09 56 0 0 31 55 W 3 3 3 1 SE10 754 NW 6 5755 P 02/02-10 56 0 0 34 48 NW 2 2 3 1 SE10 1346 N 8 11000 P 02/02-11 56 30 9 38 41 N 2 2 3 1 SE10 1939 N 9 16246 P 02/02-12 56 30 9 40 37 N 2 2 3 1 SE 8 2848 N12 30307 P 02/02-13 73 30 9 43 32 NE 3 3 3 1 SE 6 3758 N13 44367 F 02/02-14 73 30 9 43 32 NE 5 5 3 1 SE 3 4667 N15 58428 F 02/02-15 73 30 9 44 33 NE 6 6 3 1 E 3 4252 N16 57940 F 02/02-16 73 30 9 43 36 NE 8 8 2 1 NE 5 3837 NE17 57452 F 02/02-17 100 70 53 37 47 N10 10 2 1 NE 6 3421 NE20 56965 F 02/02-18 100 70 53 31 65 N13 17 2 1 NE 8 2377 N20 39550 P 02/02-19 100 70 53 30 73 N15 21 2 1 NE 9 1332 N20 22136 P 02/02-20 100 70 53 29 79 N16 23 2 1 NE10 287 N18 4721 P 02/02-21 100 70 53 26 88 N16 23 2 1 NE13 277 N18 4516 P 02/02-22 100 70 53 25 89 N16 23 2 1 NE15 267 N18 4311 P 02/02-23 100 80 68 24 92 N16 23 2 1 NE15 257 N18 4105 P 02/03-00 100 80 68 25 86 N16 23 2 1 NE15 249 N18 4053 P 02/03-01 100 80 68 24 87 N16 22 2 1 NE13 240 N20 4000 P 02/03-02 100 80 68 24 88 N16 23 2 1 NE12 232 N20 3948 P 02/03-03 100 80 68 23 91 N16 23 2 1 NE13 281 N21 5051 P 02/03-04 100 80 68 26 80 N17 24 2 1 NE14 329 N21 6154 P 02/03-05 100 80 68 24 90 N17 24 2 1 NE14 377 N22 7258 P 02/03-06 100 80 68 22 100 N17 24 2 1 NE12 335 N21 6214 P 02/03-07 100 80 68 20 100 N17 24 2 1 E 7 293 N20 5169 P 02/03-08 100 80 68 21 100 N17 24 2 1 E 5 250 N18 4125 P 02/03-09 100 80 68 24 95 N17 24 2 1 E 3 1020 N18 16337 P 02/03-10 100 80 68 26 84 N16 23 2 1 NE 3 1790 N18 28549 P 02/03-11 100 80 68 28 73 N16 23 2 1 NE 3 2559 N18 40761 F 02/03-12 100 80 68 30 67 N16 22 2 1 N 5 3171 N16 43942 F 02/03-13 100 80 68 32 60 N16 22 2 1 N 5 3782 NE15 47123 F 02/03-14 100 80 68 32 59 N15 21 2 1 NW 6 4394 NE13 50304 F 02/03-15 100 80 68 33 59 N14 20 2 1 N 6 3878 NE12 41556 F 02/03-16 100 80 68 32 62 N12 17 2 1 N 6 3362 NE10 32808 P 02/03-17 78 40 18 29 72 N10 10 2 1 N 7 2846 N 9 24059 P 02/03-18 78 40 18 25 87 N 9 9 2 1 NE 7 2035 N 9 17055 P 02/03-19 78 40 18 24 93 N 8 8 2 1 NE 8 1225 N 9 10050 P 02/03-20 78 40 18 24 97 N 7 7 2 1 E 9 415 N 8 3045 P 02/03-21 78 40 18 22 100 N 6 6 2 1 E12 355 N 8 2499 P 02/03-22 78 40 18 22 97 N 6 6 2 1 E14 295 N 7 1954 P 02/03-23 59 20 4 21 95 N 6 6 2 1 E15 235 N 7 1408 P 02/04-00 59 20 4 21 88 NW 6 6 2 1 SE14 249 N 7 1426 P 02/04-01 59 20 4 21 85 NW 6 6 2 1 SE13 264 N 7 1444 P 02/04-02 59 20 4 21 84 NW 6 6 2 1 SE10 278 NW 6 1462 P 02/04-03 59 20 4 20 85 NW 6 6 2 1 SE 9 305 N 6 1501 P 02/04-04 59 20 4 22 79 NW 5 5 2 1 S 8 333 N 6 1540 P 02/04-05 49 18 4 21 84 NW 5 5 2 1 S 6 360 N 5 1578 P 02/04-06 49 18 4 20 89 NW 5 5 1 02/04-07 49 18 4 19 95 NW 5 5 1 02/04-08 49 18 4 20 90 N 3 3 1 02/04-09 49 18 4 23 79 N 3 3 1 02/04-10 49 18 4 26 71 N 3 3 1 02/04-11 51 16 3 28 63 N 3 3 1 02/04-12 51 16 3 31 58 N 3 3 1 02/04-13 51 16 3 33 53 NE 3 3 1 02/04-14 51 16 3 33 54 NE 3 3 1 02/04-15 51 16 3 33 54 NE 3 3 1 02/04-16 51 16 3 32 56 NE 3 3 1 02/04-17 38 10 2 28 66 NE 3 3 1 KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10K WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRAN WIND - TRANSPORT WINDS /MPH/ VENTL RATE - VENTILATION RATE /KNOT-FEET/ AJTV RATNG - SMOKE DISPERSION ADJECTIVE RATING P - POOR F - FAIR G - GOOD V - VERY GOOD E- EXCELLENT $$ FORECASTER...GIMMESTAD REQUESTED BY...JAY STALNACKER REASON FOR REQUEST...PRESCRIBED .TAG 20120202.PELLA.01/BOU